GROUP C: Ireland goalkeeper Shay Given

A few years ago, Shay Given was considered one the best goalkeeper in the Premier League, but the arrival of Joe Hart at Manchester City saw him fall out of the starting 11.

He's still got the skill, though, and he'll have to be brilliant in goal if Ireland are to make it out of Group C.

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GROUP C: Spain midfielder Xavi

Spain comes to Euro 2012 as defending champion of the tournament and holder of the World Cup, and the incessant Spanish attack all starts with Xavi.

He won't be able to pass the ball to David Villa — who was ruled out of the tournament still recovering from a broken leg — but Xavi will certainly be at the center of many a Spanish goal at Euro 2012.

GROUP D: France midfielder Samir Nasri

France is a long way from the team that nearly won the 2006 World Cup, and will be looking to atone for their embarrassing performance in South Africa.

Nasri has had a rocky relationship with the national team, but seems to have found a starting spot under new manager Laurent Blanc and will be key in creating from the midfield if France is to advance.